On a Theorem by Lin and Shinder through the Lens of Median Geometry
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arXiv
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| Hauptverfasser: | , , |
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| Format: | Preprint |
| Veröffentlicht: |
2023
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| _version_ | 1866910776390844416 |
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| author | Genevois, Anthony Lonjou, Anne Urech, Christian |
| author_facet | Genevois, Anthony Lonjou, Anne Urech, Christian |
| contents | Recently, Lin and Shinder constructed non-trivial homomorphisms from Cremona groups of rank >2 to \mathbb{Z} using motivic techniques. In this short note we propose an alternative perspective from median geometry on their theorem. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2312_05197 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | On a Theorem by Lin and Shinder through the Lens of Median Geometry Genevois, Anthony Lonjou, Anne Urech, Christian Algebraic Geometry Group Theory 14E07, 20F65, 20F67 Recently, Lin and Shinder constructed non-trivial homomorphisms from Cremona groups of rank >2 to \mathbb{Z} using motivic techniques. In this short note we propose an alternative perspective from median geometry on their theorem. |
| title | On a Theorem by Lin and Shinder through the Lens of Median Geometry |
| topic | Algebraic Geometry Group Theory 14E07, 20F65, 20F67 |
| url | https://arxiv.org/abs/2312.05197 |